What is the best way to punctuate the bolded portion of the sentence?

I rode this bicycle, Felipe gasped, at least two miles up the hill.”

I rode this bicycle”, Felipe gasped, “at least

I rode this bicycle, Felipe gasped, at least

“I rode this bicycle,” Felipe gasped, at least

“I rode this bicycle,” Felipe gasped, “at least

"I rode this bicycle," Felipe gasped, "at least

The best way to punctuate the bolded portion of the sentence is:

"I rode this bicycle," Felipe gasped, "at least."